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Volume flow sensor

Volume flow sensor

FTS-DL
Druckverlustkurve

The measurement principle of the FTS electronic volume flow sensor is based on Karman vortex streets. An obstructing body projecting into the flow generates eddies. These are detected by a piezoelectric paddle and evaluated by the integrated electronics. A microprocessor converts the analogue measurement values into a serial digital signal suitable for the DL bus.

Icon DL-slave

Detail information

  • Measurement of flow rates
  • Measurement of media temperature (PT1000 sensor)
  • Connection option for an additional PT1000 sensor
  • Connection option of a pressure sensor PRS0-6
  • No moving parts in the flow channel
  • Freely selectable fitting position
  • Measurement principle insensitive to contamination and medium properties
  • Drinking water approvals: KTW and DVGW process sheet W270, WRAS
  • FTS14-240DL: only suitable for controllers with X2 technology
  • DL bus load 25 %

Temperature measurement range.................................. -40°C to +125°C

Measurement ranges

FTS2-32DL..........................................................2 to 32 l/min

FTS4-50DL..........................................................4 to 50 l/min

FTS5-85DL..........................................................5 to 85 l/min

FTS9-150DL........................................................9 to 150 l/min

FTS14-240DL....................................................14 to 240 l/min

Connection thread

FTS2-32DL............................................................................ 1/2“

FTS4-50DL / FTS5-85DL..................................................... 3/4“

FTS9-150DL ...................................... plastic thread 1 1/4“

FTS14-240DL ....................................... brass thread1 1/2“

Overall length

FTS2-32DL.....................118 mm

FTS4-50DL.....................130 mm

FTS5-85DL.....................151 mm

FTS9-150DL...................120 mm

FTS14-240DL.................134 mm

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